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Table 2 Cases data and Outerbridge classification

From: Outcome and experience of arthroscopic lateral retinacular release combined with lateral patelloplasty in the management of excessive lateral pressure syndrome

Parameters Cases
Patients 73
 Men 16
 Women 57
Years 30-58
Knees 88
 Left knees 43
 Right knees 45
Outerbridge Classification
 Lateral patella grade II 10
 Lateral patella grade III 16
 Lateral patella grade IV 62
 Lateral trochlear groove grade I 5
 Lateral trochlear groove grade II 6
 Lateral trochlear groove grade III 37
 Lateral trochlear groove grade IV 40